Submission #1188008

#	Time	Username	Problem	Language	Result	Execution time	Memory
1188008		miniob	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++20	100 / 100	50 ms	4936 KiB

Main

#include <bits/stdc++.h>
using namespace std;

long long a[200007];
long long pref[200007];
long long suf[200007];

int main() 
{
	long long n;
	cin >> n;
	for(long long i = 1; i <= n; i++)
	{
		cin >> a[i];
		pref[i] = pref[i - 1] + max(a[i - 1] - a[i] + 1, (long long)0);
	}
	for(long long i = n; i > 0; i--)
	{
		suf[i] = suf[i + 1] + max(a[i + 1] - a[i] + 1, (long long)0);
	}
	long long odp = LLONG_MAX;
	for(long long i = 1; i <= n; i++)
	{
		odp = min(odp, max(pref[i], suf[i]));
	}
	cout << odp << endl;
	return 0;
}

• Subtask 1: 40 / 40
• Subtask 2: 60 / 60